package com.qf.mvc01.interceptor;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class Productlnterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        long l = System.currentTimeMillis();

        request.setAttribute("s",l);
        String token = request.getHeader("token");
        if (token != null){
            return true;
        }else {
            response.sendRedirect("/form.html");
            return false;
        }

    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        Long s = (Long) request.getAttribute("s");

        long l = System.currentTimeMillis();
        System.out.println((l-s));

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        System.out.println("333333333");
    }
}
